The majority of national park visitors—roughly seventy-eight percent—are white? Why, and why does that need to change?

Burning household trash in massive incinerators saves landfill space, but it also introduces a host of other waste management issues.

Viewing climate change through a national security lens makes a certain amount of sense -- but it won't entirely solve the problem.

From oil spills to nuclear waste, humans are good at making epic messes. Sometimes we come up with clean up ideas and sometimes we neglect repairs entirely.